# server.NewSessionOptions.size

- **Module:** server.NewSessionOptions
- **Package:** libtmux
- **Language:** Rust
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/server.rs#L1824
- **Page:** https://libtmux.org/reference/rs/server-newsessionoptions-size/

```
server.NewSessionOptions.size(mut, width: u32, height: u32) -> Self
```

Set the initial size, which a detached session would otherwise default.